The longer the single drill pipe, the lesser the critical compressive force of drill stem.
钻杆的单根长度越长，钻柱所能承受的临界载荷越小。

Technical Probe into Electric Coal Drill in Prospectingand Drainage of Abandoned Mine Water
煤电钻技术在探放老空水中的应用

Imported abrasive wheels films grinding, grinding manual twist drill Angle more accurately.
采用进口砂轮片修磨，修磨麻花钻头角度更加精准。

Henceforth in the school also nobody has thrown the paper airplane toward the drill ground.
从此学校里再也没有人往操场扔过纸飞机。

If it is necessary to drill helper holes, never drill in the neighbourhood of the cartridge.
必须打辅助眼时不可过于靠近炸药。

Through drilling practice, the advanced technical effects of drilling upright drill are proved.
通过钻削实验证明振动立钻具有先进得工艺效果。

The same reason you do this drill as you do with elementary drill through work on hip rotation.
与基本单臂训练的目的相同，都是转动臀部的训练。

Thread form and the length of drill pipe can be manufactured in accordance with user requirements.
钻杆螺纹形式及长度可根据用户要求制造。

And you know what, they come to admire the drill sergeant and they never forget the drill sergeant.
知道吗？他们开始钦佩士官长 他们对士官长永难忘怀

The shank is the end of the drill which fits into the socket, spindle, or chuck of the drill press.
柄是钻头末端和钻套，主轴或者钻床上的卡盘相配合。

Principle of drill core samples were inserted at the top of the drill pipe from package to package.
钻芯取样的原理是将钻杆从毛包的顶端插入到毛包内。

The machine vision method was adopted to realize automatic detection of performance for metering drill.
运用机器视觉技术实现条播排种器性能得自动化检测。

Multiple spindles heads for drilling machine whose drill spindles are adjustable and even are introduced.
介绍一种钻床用钻轴均布可调多轴头。

Matter's leading a matter can after have realize, oneself's apparently too many matters, drill an ox horn point.
事过之后能有所察觉, 似乎自己太多事了, 钻了牛角尖。

Whirling Analysis of the Rotary Drill String by the Action of Drilling Fluid Inside and Outside the Drill String
内外钻井液作用下的旋转钻柱涡动分析

Madams facial expression of that Lius mansion heaves red， quite anxious to seek a ground aperture to drill into.
那刘府的夫人脸色涨红，恨不得找个地洞钻进去。

Analysis of Major Difference between New and Old Safety Standards for Electric Drill and Ram Impact Electric Drill
电钻和冲击电钻新旧安全标准主要差异的剖析

NC Drill Numeric Control drill machine used to drill holes at exact locations of a PCB specified in NC Drill File.
数控钻孔使用数控钻机和数控钻文件在。

But he soon appeared in the classroom and listened appreciatively as the children went through their reading drill.
但他很快出现在教室中, 观摩孩子们的阅读训练。

Downhole blowout preventer that is a safety devices is installed in the drill that connected with the drill string.
井下防喷器是安装在钻具上，并且和钻柱相连的安全装置。

Production of electrical tools, such as electric drills impact, angle angle grinder, saw, electric drill and curves.
生产各类电动工具，如冲击电钻，角向磨光机，电钻和曲线锯等。

This company sets its own lace factory and net drill factory and keeps affiliation relation with several manufacturers.
本公司自设花边厂和网钻厂并和多家厂家保持联营关系。

One more way in which the tiger mothers approach differs from that of her Western counterparts her willingness to drill, baby, drill.
虎妈和西方父母还有一点不同她愿意练习, 孩子, 练习。

Drilling base fertilizer had no optimal effect on tobacco quality. It is appropriate to apply base fertilizer with methods of drill applying and hole applying.
施用方法以基施为宜, 集中条施或穴施效果较好。

The utility model discloses a sliding gauge for drill sharpening which is an inspection tool for drill sharpening, comprising a main gauge and an auxiliary gauge.
刃磨钻头活动卡规, 是用于钻头刃磨时的一种检查工具。